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Speed Inc. SI5 cam with AFR 205s

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Old 09-02-2008, 03:31 PM
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Default Speed Inc. SI5 cam with AFR 205s

I'm going to be buying some AFR 205s for my car soon and I have a few questions?

Current Mods:
SI5 Cam 231/237 .589 .595 112
Patriot "Gold" .650" lift dual springs
Comp 7.400" CM pushrods
SLP oil pump and timing chain
Fast/NW 92/90
Fast 36# injectors (I'm also planning on installing Racetronix fuel pump kit w/hotwire)

1. Can I save some cash and reuse my Patriot Gold springs or should I use the upgraded AFR springs?

2. Will LS7 lifters work well with my set up?

3. Should I buy some Harland Sharp 1.7 rockers or just reuse my stock rockers?

4. Are the 36# injectors and Racetronix fuel system enough to spray a 100-150 wet shot with the H/C?

5. Besides gaskets, is there anything else I should buy?

6. What kind of rwhp/rwtq can I expect from this setup? (The car dynoed 402/375 with the cam and boltons thru a 9")

Last edited by DTB_LS1; 09-02-2008 at 04:15 PM.
Old 09-02-2008, 03:40 PM
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i think youll be fine. but for me, i would just go ahead and get all new springs, but thats just me though.
Old 09-02-2008, 06:27 PM
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Originally Posted by TXZ28LS1
i think youll be fine. but for me, i would just go ahead and get all new springs, but thats just me though.
Thanks, I guess it would be safer to go with new springs anyways. Does anyone else have any input or suggestions for this setup?
Old 09-02-2008, 07:16 PM
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damn have you ran your car at the track with the current mods you have? if what was the et
Old 09-02-2008, 09:15 PM
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Originally Posted by LS1-NAVY
damn have you ran your car at the track with the current mods you have? if what was the et
No track times yet. I will be going to Byron Dragway on Sat. and hopefully come back with some 11 second slips. I was originally going to spray 100-150 shot at it but I have decided to hold off until I get heads.
Old 09-02-2008, 10:01 PM
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I've got AFR's on sale, call for pricing!
Old 09-02-2008, 11:00 PM
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Thanks, 99blancoSS pm sent. Anyone else have any input on this setup. I've seen alot of views but no posts. Any info. would help.
Old 09-03-2008, 01:17 AM
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1. Can I save some cash and reuse my Patriot Gold springs or should I use the upgraded AFR springs?
Depends on how many miles on your springs but personally I would get the AFR springs
2. Will LS7 lifters work well with my set up?
Ls7 lifter will be fine
3. Should I buy some Harland Sharp 1.7 rockers or just reuse my stock rockers?
Personally if you were to get rockers I would get the modded stockers by HS
4. Are the 36# injectors and Racetronix fuel system enough to spray a 100-150 wet shot with the H/C?
Yep should be enough, thats what I will be running with mine
5. Besides gaskets, is there anything else I should buy?
depends on what you already have...
6. What kind of rwhp/rwtq can I expect from this setup? (The car dynoed 402/375 with the cam and boltons thru a 9")
I dont know but I have a similar setup and im hoping for anything above 450
Old 09-03-2008, 01:18 AM
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P.S. I just got my AFRs from 99blancoSS, check him out great sponsor with even BETTER prices!
Old 09-03-2008, 11:31 AM
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Originally Posted by DTB_LS1
I'm going to be buying some AFR 205s for my car soon and I have a few questions?

Current Mods:
SI5 Cam 231/237 .589 .595 112
Patriot "Gold" .650" lift dual springs
Comp 7.400" CM pushrods
SLP oil pump and timing chain
Fast/NW 92/90
Fast 36# injectors (I'm also planning on installing Racetronix fuel pump kit w/hotwire)

1. Can I save some cash and reuse my Patriot Gold springs or should I use the upgraded AFR springs?

2. Will LS7 lifters work well with my set up?

3. Should I buy some Harland Sharp 1.7 rockers or just reuse my stock rockers?

4. Are the 36# injectors and Racetronix fuel system enough to spray a 100-150 wet shot with the H/C?

5. Besides gaskets, is there anything else I should buy?

6. What kind of rwhp/rwtq can I expect from this setup? (The car dynoed 402/375 with the cam and boltons thru a 9")



What a coincidence.

Turns out I have the same cam and I also have brand new AFR 205's (along with a **** load of other parts) in my closet ready to be installed.
My car is an automatic though.

Here's a list of parts I bought for the head swap:

-AFR 205's with upgraded 8019 valve springs (so yes, get the upgrades from AFR)
-LS7 Lifters
-Lucas 42lb injectors
-Cometic head gasket
-Intake gaskets
-Valve cover gaskets
-Tims valve spring tool
-Com camp push rod length tool
-ARP head bolts


I was gonna get Yella Terra rockers but I keep hearing that the stockers should be fine as long they're in good shape.
I'm also planning a 150shot in the future so I can't wait to see how yours does.

Anyways, good luck with the build. It's a big headache researching **** because while some people might wanna help you, many just want you to buy their parts, so be weary....
Old 09-03-2008, 12:20 PM
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Originally Posted by CriminiSS
1. Can I save some cash and reuse my Patriot Gold springs or should I use the upgraded AFR springs?
Depends on how many miles on your springs but personally I would get the AFR springs
2. Will LS7 lifters work well with my set up?
Ls7 lifter will be fine
3. Should I buy some Harland Sharp 1.7 rockers or just reuse my stock rockers?
Personally if you were to get rockers I would get the modded stockers by HS
4. Are the 36# injectors and Racetronix fuel system enough to spray a 100-150 wet shot with the H/C?
Yep should be enough, thats what I will be running with mine
5. Besides gaskets, is there anything else I should buy?
depends on what you already have...
6. What kind of rwhp/rwtq can I expect from this setup? (The car dynoed 402/375 with the cam and boltons thru a 9")
I dont know but I have a similar setup and im hoping for anything above 450
I agree, howver item 3...you can still use your stockers. I did with no issues. Your car should pull nice!
Old 09-03-2008, 06:22 PM
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Don't forget to get a new harmonic balancer bolt, or better yet get an ARP bolt.
Old 09-03-2008, 07:13 PM
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Originally Posted by Chevy406
Don't forget to get a new harmonic balancer bolt, or better yet get an ARP bolt.
Thanks for the tip but I already have the ARP bolt.
Old 09-03-2008, 07:16 PM
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Originally Posted by eamador11
I agree, howver item 3...you can still use your stockers. I did with no issues. Your car should pull nice!
Thanks, I didn't want to get rockers if i didn't have to.
Old 09-03-2008, 11:16 PM
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TO go a step better you should have your oem rockers rebuilt by Harlan Sharp for $260 and then your good to go. This eliminates the needle bearing issue.



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